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In ADR marking, what does a rectangular retroreflective orange panel with a black border on a transport unit indicate?

Correct answer

Dangerous goods subject to that marking.

Dangerous goods subject to that marking. Panels are fitted under the applicable regime, normally front and rear, and may be numbered or plain. Where numbers apply, they identify the hazard and substance; a plain panel does not identify a specific substance. Exemptions exist and empty uncleaned units may retain markings: not every dangerous-goods transport always requires a numbered panel.

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  • School transport, merely because of the orange colour.

  • Any public service, unrelated to dangerous goods.

  • Dangerous goods subject to that marking.

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